Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Hans D Gruenn, MD

Individual provider Family Medicine Physician · NPI 1649398371

Dr. Hans D Gruenn, MD is a Family Medicine Physician in Ojai, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

350 W Ojai Ave #107
Ojai, CA 93023-1650
Phone: (058) 633-9121
Fax: (805) 633-9151
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence A51484 (CA)

Record details

NPI number1649398371
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 27, 2007
Last updated in NPPESNovember 17, 2020
Certification dateNovember 13, 2020

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